<template>
  <div>
    <nav-bar>
      <div slot="left" class="back_cls" @click="backClick">
        <img src="~assets/img/common/back.svg" alt="" width="15" height="15">
      </div>
      <div slot="center" class="title">
        <div v-for="(item,index) in titles"
             class="title_item"
             :class="{active:index===currentIndex}"
             @click="titleClick(index)">{{item}}
        </div>
      </div>
    </nav-bar>
  </div>
</template>

<script>
  import NavBar from "components/common/navbar/NavBar";


  export default {
    name: "DetailNavBar",
    components: {NavBar},
    data() {
      return {
        titles: ['商品', '参数', '评论', '推荐'],
        currentIndex: 0
      }
    },
    methods: {
      titleClick(index) {
        this.currentIndex = index
        this.$emit('ShowNav',index)
      },
      backClick() {
        // console.log(this.$router);
        this.$router.back()
      },
    }
  }
</script>

<style scoped>
  .title {
    display: flex;
    font-size: 12px;
  }

  .title_item {
    flex: 1
  }

  .back_cls {
    margin-top: 10px;
  }

  .active {
    color: var(--color-high-text);
  }
</style>
